ZIP code
03225
Center Barnstead, NH
03225 covers Center Barnstead in Belknap County, with 3,770 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 03225. Methodology
ZIP code map of 03225

About ZIP code 03225
Acceptable cities: Ctr Barnstead
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 03225. Not ACS. Methodology
People in 03225
Race
- White3,534
- Black or African American10
- American Indian or Alaska Native4
- Asian13
- Native Hawaiian and Pacific Islander2
- Other race25
- Two or more races211
Hispanic or Latino (any race): 66
Age
- Under 10428
- 10 to 19435
- 20 to 29358
- 30 to 39506
- 40 to 49493
- 50 to 59612
- 60 to 69577
- 70 to 79304
- 80 and older86
Income and housing in 03225
Education
- High school graduate93.8%
- Bachelor's degree31.3%
- Graduate degree12.5%
Places covering 03225
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
No place overlap rows for this ZIP.
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Belknap County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
100.0% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 03225
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 3,366 | |
| 2006 | 3,283 | |
| 2007 | 3,481 | |
| 2008 | 3,349 | |
| 2009 | 3,412 | |
| 2010 | 3,302 | |
| 2011 | 3,834 | 3,322 |
| 2012 | 3,781 | 3,390 |
| 2013 | 3,700 | 3,340 |
| 2014 | 3,627 | 3,330 |
| 2015 | 3,505 | 3,320 |
| 2016 | 3,633 | 3,340 |
| 2017 | 3,709 | 3,480 |
| 2018 | 3,670 | 3,470 |
| 2019 | 3,673 | 3,560 |
| 2020 | 3,573 | 3,650 |
| 2021 | 3,491 | 3,630 |
| 2022 | 3,406 | 3,630 |
| 2023 | 3,770 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 03225
12 nearest ZIP centroids (any distance)
- 03218Barnstead2.5 miPop 1,202 · Income $97,669
- 03263Pittsfield6.2 miPop 4,094 · Income $66,823
- 03837Gilmanton Iron Works6.2 miPop 1,684 · Income $116,605
- 03884Strafford7.1 miPop 4,271 · Income $122,083
- 03809Alton7.3 miPop 3,684 · Income $92,278
- 03855New Durham8.2 miPop 2,735 · Income $99,122
- 03237Gilmanton8.7 miPop 2,313 · Income $107,353
- 03835Farmington9.0 miPop 6,800 · Income $63,704
- 03307Loudon10.5 miPop 5,683 · Income $100,141
- 03261Northwood10.5 miPop 4,653 · Income $117,841
- 03810Alton Bay10.6 miPop 2,269 · Income $143,102
- 03258Chichester10.8 miPop 2,693 · Income $111,607
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 03225, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.
ZIP code 03225 FAQ
- What city is ZIP code 03225 in?
- 03225 is in Center Barnstead, NH.
- What county is 03225 in?
- 03225 is in Belknap County.
- What is the median household income in 03225?
- The median household income in 03225 is $97,109.
- Which ZIP codes are near 03225?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 03225.